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The DOORBIRD 423893948 is a biometric temperature measurement unit designed for access control and building entry applications. It is sold as a single unit and is intended for installation by licensed security, low-voltage, or building automation technicians. The A1121 FM RAL6027 designation indicates a specific finish and color configuration, making it suitable for installations where aesthetic coordination with surrounding hardware is required. This unit fits into systems where contactless temperature screening is integrated with door entry or access control workflows.
This unit is applicable in commercial and residential entry control environments where biometric and temperature measurement functions are combined at a single point of entry. It is typically installed at doorways, building lobbies, or controlled-access zones. Technicians installing this unit should follow the manufacturer documentation for mounting orientation and connectivity to the broader access control system.
Designed as an OEM-style replacement or add-on component for DOORBIRD access control and building entry systems that support biometric temperature measurement modules.
Installation should be performed by a licensed low-voltage or building automation technician familiar with access control systems. Power down the associated access control panel before connecting or disconnecting any wiring. Follow local building codes and the manufacturer wiring diagram for proper integration. Do not expose the unit to direct water ingress unless the installation site is rated for that environment.
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